DE69828852D1 - Synchronization of the transmission of a TDMA terminal by measuring the transmission time - Google Patents
Synchronization of the transmission of a TDMA terminal by measuring the transmission timeInfo
- Publication number
- DE69828852D1 DE69828852D1 DE69828852T DE69828852T DE69828852D1 DE 69828852 D1 DE69828852 D1 DE 69828852D1 DE 69828852 T DE69828852 T DE 69828852T DE 69828852 T DE69828852 T DE 69828852T DE 69828852 D1 DE69828852 D1 DE 69828852D1
- Authority
- DE
- Germany
- Prior art keywords
- transmission
- synchronization
- measuring
- tdma terminal
- transmission time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
- H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
- H04B7/2678—Time synchronisation
- H04B7/2681—Synchronisation of a mobile station with one base station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0694—Synchronisation in a TDMA node, e.g. TTP
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Time-Division Multiplex Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28941397A JP3180735B2 (en) | 1997-10-22 | 1997-10-22 | Wireless terminal with transmission timing correction function and method of manufacturing the same |
JP28941397 | 1997-10-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69828852D1 true DE69828852D1 (en) | 2005-03-10 |
DE69828852T2 DE69828852T2 (en) | 2006-01-05 |
Family
ID=17742928
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69828852T Expired - Fee Related DE69828852T2 (en) | 1997-10-22 | 1998-10-21 | Synchronization of the transmission of a TDMA terminal by measuring the transmission time |
DE69837354T Expired - Lifetime DE69837354T2 (en) | 1997-10-22 | 1998-10-21 | TDMA terminal with adjustment of the transmission clock by using measured delay |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69837354T Expired - Lifetime DE69837354T2 (en) | 1997-10-22 | 1998-10-21 | TDMA terminal with adjustment of the transmission clock by using measured delay |
Country Status (4)
Country | Link |
---|---|
US (2) | US6463049B1 (en) |
EP (2) | EP1515458B1 (en) |
JP (1) | JP3180735B2 (en) |
DE (2) | DE69828852T2 (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3180735B2 (en) * | 1997-10-22 | 2001-06-25 | 松下電器産業株式会社 | Wireless terminal with transmission timing correction function and method of manufacturing the same |
US6999440B2 (en) | 1997-10-22 | 2006-02-14 | Matsushita Electric Industrial Co., Ltd. | TDMA radio terminal capable of adjusting transmit timing by using measured delay time |
US7013305B2 (en) * | 2001-10-01 | 2006-03-14 | International Business Machines Corporation | Managing the state of coupling facility structures, detecting by one or more systems coupled to the coupling facility, the suspended state of the duplexed command, detecting being independent of message exchange |
US20020196843A1 (en) * | 1999-03-23 | 2002-12-26 | Itzik Ben-Bassat | Satellite communication card |
FR2807589B1 (en) * | 2000-04-07 | 2003-08-29 | Cit Alcatel | METHOD OF ADJUSTING THE MOMENTS OF TRANSMISSION IN A MOBILE RADIOCOMMUNICATIONS SYSTEM |
JP3530118B2 (en) * | 2000-08-29 | 2004-05-24 | 松下電器産業株式会社 | Base station apparatus and wireless communication method |
FR2813488B1 (en) * | 2000-08-31 | 2003-07-04 | Cit Alcatel | RECEIVING DEVICE FOR MOBILE RADIO COMMUNICATION UNIT USING SPEED ESTIMATOR |
US7646831B2 (en) * | 2001-10-19 | 2010-01-12 | Nokia Corporation | Method and a device for controlling data extraction from a data stream containing at lease one data packet |
DE10164497B4 (en) * | 2001-12-28 | 2005-03-10 | Siemens Ag | Arrangement and method for measuring and compensating the polarization mode dispersion of an optical signal |
JP2005531202A (en) * | 2002-06-21 | 2005-10-13 | ワイデファイ インコーポレイテッド | Wireless local area network repeater |
US8885688B2 (en) | 2002-10-01 | 2014-11-11 | Qualcomm Incorporated | Control message management in physical layer repeater |
US7668092B2 (en) * | 2002-11-21 | 2010-02-23 | Honeywell International Inc. | Data transmission system and method |
KR100498352B1 (en) | 2003-04-23 | 2005-07-01 | 엘지전자 주식회사 | Channel synchronization apparatus for time division duplex mobile terminal |
CN1225849C (en) * | 2003-07-18 | 2005-11-02 | 大唐移动通信设备有限公司 | Method and device for proceeding bidirectional synchronous translate against radio signal |
EP1749347B1 (en) * | 2004-05-27 | 2012-08-15 | Tag Safety Systems, Inc. | Method of and system for determining the delay of digital signals |
KR100735291B1 (en) * | 2006-01-26 | 2007-07-03 | 삼성전자주식회사 | Optical network for bidirectional wireless communication |
JP4972948B2 (en) * | 2006-02-14 | 2012-07-11 | 富士通株式会社 | Backboard transmission method, backboard transmission apparatus, and board unit |
JP4862135B2 (en) * | 2006-10-27 | 2012-01-25 | 株式会社Jvcケンウッド | Digital radio for mobile station and control method |
JP2010258503A (en) * | 2009-04-21 | 2010-11-11 | Nec Engineering Ltd | Tdd type wireless communication device |
US8948063B2 (en) | 2010-01-14 | 2015-02-03 | Qualcomm Incorporated | Method and system for real-time calibration and reporting of processing delay |
US9590411B2 (en) * | 2011-12-15 | 2017-03-07 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for time synchronization of IEDs via radio link |
ES2552829B1 (en) | 2012-10-19 | 2017-03-23 | Schweitzer Engineering Laboratories, Inc. | Time Distribution Switch |
US9599719B2 (en) | 2012-10-19 | 2017-03-21 | Schweitzer Engineering Laboratories, Inc. | Detection of manipulated satellite time signals |
US9417685B2 (en) * | 2013-01-07 | 2016-08-16 | Micron Technology, Inc. | Power management |
FR3004038B1 (en) * | 2013-03-27 | 2016-11-11 | Thales Sa | INTERFACE ARCHITECTURE BETWEEN DIGITAL AND RADIO UNITS. |
CN105794106B (en) * | 2013-12-05 | 2019-06-14 | 瑞典爱立信有限公司 | Oscillator arrangement, method and communication equipment |
EP3530042B1 (en) * | 2016-10-21 | 2021-02-24 | Telefonaktiebolaget LM Ericsson (publ) | A method of assigning transmission timing to radio terminal, radio network node and radio terminal |
EP3334090A1 (en) * | 2016-12-08 | 2018-06-13 | InCoax Networks Europe AB | Method and system for synchronization of node devices in a coaxial network |
US11159972B2 (en) | 2018-10-31 | 2021-10-26 | Qualcomm Incorporated | Handling of radio frequency front-end group delays for round trip time estimation |
US10848256B2 (en) * | 2018-11-08 | 2020-11-24 | Qualcomm Incorporated | Group delay calibration for carrier aggregation / multi-radio access technology |
US11889436B2 (en) * | 2020-08-17 | 2024-01-30 | Qualcomm Incorporated | Calibration of group delay in a mobile device |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4346470A (en) | 1980-03-21 | 1982-08-24 | Ibm Corporation | Initial acquisition of synchronization for a station in a TDMA satellite communication network |
JPS6374234A (en) * | 1986-09-17 | 1988-04-04 | Nec Corp | Multi-direction multiplex communication system |
US5287025A (en) * | 1991-04-23 | 1994-02-15 | Matsushita Electric Industrial Co., Ltd. | Timing control circuit |
JP2723691B2 (en) | 1991-04-30 | 1998-03-09 | 日本電気株式会社 | Variable timing signal generation circuit |
US5379299A (en) * | 1992-04-16 | 1995-01-03 | The Johns Hopkins University | High speed propagation delay compensation network |
JP3078177B2 (en) * | 1994-07-01 | 2000-08-21 | 三菱電機株式会社 | Wireless device |
WO1996013914A2 (en) * | 1994-10-19 | 1996-05-09 | Power Spectrum Technology Ltd. | Sectorized communication system and methods useful therefor |
CN1084114C (en) * | 1995-01-31 | 2002-05-01 | 日本电气株式会社 | Mobile radio unit with automatic gain control circuit and method for automatic gain control in said mobile radio unit |
US5532708A (en) * | 1995-03-03 | 1996-07-02 | Motorola, Inc. | Single compact dual mode antenna |
US5959980A (en) * | 1995-06-05 | 1999-09-28 | Omnipoint Corporation | Timing adjustment control for efficient time division duplex communication |
US5768691A (en) * | 1996-08-07 | 1998-06-16 | Nokia Mobile Phones Limited | Antenna switching circuits for radio telephones |
JPH1056392A (en) * | 1996-08-08 | 1998-02-24 | Matsushita Electric Ind Co Ltd | Receiving mixer circuit for multi-transmission-system and multi-frequency-band mobile radio equipment |
JP3180735B2 (en) * | 1997-10-22 | 2001-06-25 | 松下電器産業株式会社 | Wireless terminal with transmission timing correction function and method of manufacturing the same |
-
1997
- 1997-10-22 JP JP28941397A patent/JP3180735B2/en not_active Expired - Lifetime
-
1998
- 1998-10-21 DE DE69828852T patent/DE69828852T2/en not_active Expired - Fee Related
- 1998-10-21 DE DE69837354T patent/DE69837354T2/en not_active Expired - Lifetime
- 1998-10-21 EP EP04027751A patent/EP1515458B1/en not_active Expired - Lifetime
- 1998-10-21 EP EP98119935A patent/EP0911993B1/en not_active Expired - Lifetime
- 1998-10-22 US US09/176,910 patent/US6463049B1/en not_active Expired - Lifetime
-
2002
- 2002-10-09 US US10/266,646 patent/US6693883B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0911993B1 (en) | 2005-02-02 |
EP1515458A1 (en) | 2005-03-16 |
DE69837354T2 (en) | 2007-11-29 |
US6463049B1 (en) | 2002-10-08 |
EP1515458B1 (en) | 2007-03-14 |
US20030026239A1 (en) | 2003-02-06 |
JP3180735B2 (en) | 2001-06-25 |
EP0911993A2 (en) | 1999-04-28 |
DE69837354D1 (en) | 2007-04-26 |
DE69828852T2 (en) | 2006-01-05 |
US6693883B2 (en) | 2004-02-17 |
JPH11127104A (en) | 1999-05-11 |
EP0911993A3 (en) | 2003-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |